CVE-2021-3520
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.
Overview
- CVE ID
- CVE-2021-3520
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2021-06-02T13:15:13
- Last Modified Date
- 2023-02-12T23:41:13
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:lz4_project:lz4:1.8.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/errata/RHBA-2021:2854 | |
| https://access.redhat.com/errata/RHSA-2021:2575 | |
| https://access.redhat.com/errata/RHSA-2022:1345 | |
| https://access.redhat.com/errata/RHSA-2022:5606 | |
| https://access.redhat.com/errata/RHSA-2022:6407 | |
| https://access.redhat.com/security/cve/CVE-2021-3520 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1954559 | Issue Tracking Patch Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20211104-0005/ | Third Party Advisory |
| https://www.oracle.com//security-alerts/cpujul2021.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3520 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 16:58:55 | Added to TrackCVE | |||
| 2022-12-05 03:25:07 | 2021-06-02T13:15Z | 2021-06-02T13:15:13 | CVE Published Date | updated |
| 2022-12-05 03:25:07 | 2022-09-03T03:40:26 | CVE Modified Date | updated | |
| 2022-12-05 03:25:07 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 03:25:08 | CWE-190 | Weakness Enumeration | updated | |
| 2023-02-02 23:12:00 | 2023-02-02T21:21:02 | CVE Modified Date | updated | |
| 2023-02-02 23:12:00 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 23:12:00 | References | updated | ||
| 2023-02-13 00:12:39 | 2023-02-12T23:41:13 | CVE Modified Date | updated |